package com.bdqn.dao;

import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

import com.bdqn.entity.Phase;

/**
 * A data access object (DAO) providing persistence and search support for Phase
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.bdqn.entity.Phase
 * @author MyEclipse Persistence Tools
 */

public class PhaseDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(PhaseDAO.class);
	// property constants
	public static final String PHASE_NAME = "phaseName";
	public static final String NECESSARY = "necessary";
	public static final String MATERIAL_FILE_PATH = "materialFilePath";
	public static final String DESCRIPTION = "description";

	public void save(Phase transientInstance) {
		log.debug("saving Phase instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Phase persistentInstance) {
		log.debug("deleting Phase instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Phase findById(java.lang.Integer id) {
		log.debug("getting Phase instance with id: " + id);
		try {
			Phase instance = (Phase) getSession().get("com.bdqn.entity.Phase",
					id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Phase instance) {
		log.debug("finding Phase instance by example");
		try {
			List results = getSession().createCriteria("com.bdqn.entity.Phase")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Phase instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Phase as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByPhaseName(Object phaseName) {
		return findByProperty(PHASE_NAME, phaseName);
	}

	public List findByNecessary(Object necessary) {
		return findByProperty(NECESSARY, necessary);
	}

	public List findByMaterialFilePath(Object materialFilePath) {
		return findByProperty(MATERIAL_FILE_PATH, materialFilePath);
	}

	public List findByDescription(Object description) {
		return findByProperty(DESCRIPTION, description);
	}

	public List findAll() {
		log.debug("finding all Phase instances");
		try {
			String queryString = "from Phase";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Phase merge(Phase detachedInstance) {
		log.debug("merging Phase instance");
		try {
			Phase result = (Phase) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Phase instance) {
		log.debug("attaching dirty Phase instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Phase instance) {
		log.debug("attaching clean Phase instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}